Correct

昂贵 vs 贵

/ ángguì vs guì /
Strokes

Definition

昂贵 and 贵, both are Adjectives, which means [expensive, costly].

Example

昂贵 and 贵, both are Adjectives, means "high price or high value".
1) 昂贵 is more literary and can be used in an abstract sense, whereas the 贵 is more colloquial.

2) When applied to merchandise, 昂贵, being a disyllabic word, can collocate with 价格 while 贵 usually takes 很.

3) 昂贵 is often applied to valuables,e.g. 昂贵的首饰 (expensive jewelry), 昂贵的画 (expensive paintings), etc., while 贵 is applied to all sorts of things.
1
Zhèzhǒng
这种
máo
毛皮
jià
价格
ángguì
昂贵
  

This kind of fur is very expensive.

2
Zhèzhǒng
这种
máo
毛皮
jià
价格
hěn
guì
  

This kind of fur is dear/costly.

3
Zhèzhǒng
这种
páizi
牌子
de
shāngpǐn
商品
zhǒng
那种
ángguì
昂贵
  
(
guì
  
)
de
duō
  

This brand of merchandise is much more expensive/costly than that one.

昂贵 is usually used in an abstract meaning.
4
Tànsuǒ
探索
shì
适合
běnguó
本国
jīng
经济
zhǎn
发展
de
dào
道路
  
,
men
我们
chū
付出
le
ángguì
昂贵
de
dàijià
代价
  

We are at such a cost in exploring the ways suitable for the economic development of our country.

贵 also has several other meanings and usages.
1) to be commendable
2) to be highly valued
3) to be used as a term of respect
5
Rén
guì
yǒu
zhīzhīmíng
自知之明
  

It is a good thing for one to be able to have a proper appraisal of oneself.

6
Xué
学习
wài
外语
  
,
guì
zài
jiānchí
坚持
  

To learn a foreign language, perseverance is important.

7
Nín
guìxìng
贵姓
  
?

May I ask your honorable name, please?

8
zēng
dào
guò
guìguó
贵国
  

I've been to your honorable country.